65results about How to "Lower ground clearance" patented technology

An upright surface cleaning apparatus comprises a support structure moveably connected to a surface cleaning head and a surface cleaning unit that is detachably connected to the support structure. The surface cleaning unit is selectively connectable to the surface cleaning head by an airflow conduit. The airflow conduit can be detached from the surface cleaning head and attached to a cleaning wand or second surface cleaning head. The cleaning wand may be bendable.

A bicycle transmission is configured and arranged to improve the durability of the transmission. The transmission basically has a transmission operating device, a support structure, a front input section, an intermediate transmission and a rear output section. The transmission operating device operates the intermediate transmission to change the gear ratio between the front input section and the rear output section. The intermediate transmission has a plurality of drive members arranged to move in the axial direction on an intermediate drive axle in response to its pivotal movement shifting structure. An endless drive member is operatively coupled between a rotatable driving member of the front input section and one of the intermediate drive members. The endless drive member remains substantially in a single plane during shifting of the drive members on the intermediate drive axle.

A retractable wheel fairing device for decreasing the aerodynamic drag and / or increasing downforce of a vehicle is described. The device includes a fairing body with a suspension-mounted support system such that the fairing body, when deployed, reciprocates up and downwardly with the corresponding wheel of the vehicle. The suspension-mounted support system is adapted to functionally or physically disengage the wheel fairing device from the suspension of the vehicle upon lifting of the wheel fairing device with a separate retraction system.

In a hybrid vehicle in which front wheels are driven by an engine and a front motor, and rear wheels are driven by a main rear motor and a sub rear motor, both main rear motor and the sub rear motor are driven when a large driving force is required as when the vehicle is driven at low speed to haul a trailer or the like or to run on a sandy ground, whereas when the required driving force is small, only the main rear motor is driven.

The invention discloses a suspension system, an automobile body stabilizing system and an automobile and relates to a suspension system, an automobile body stabilizing system and an automobile capable of adjusting the height of an automobile body and the tire ground clearance. Hydraulic oil and high-pressure gas serve as the working mediums of the suspension system, the automobile body stabilizing system and the automobile, and the height of the automobile body and the tire ground clearance can be adjusted. The suspension system comprises a shock absorber body (1), a piston rod (3) and an oil cylinder (4). A suspension cylinder piston (5) and a lifting control oil cavity (6) are arranged in the oil cylinder. The automobile body stabilizing system comprises an automobile body stabilizing calculation controller and an oil way control device. All wheels are each provided with a suspension system. The oil way control device is connected with a first oil hole and a second oil hole through oil ways. The automobile body stabilizing calculation controller is connected with an automobile speed sensor, a steering angle sensor and an automobile body balance sensor. The invention further comprises the automobile provided with the suspension system or the automobile body stabilizing system.

An off-road vehicle, a pickup, or other such vehicle has an underprotection device with an impact plate fitted to the underside of the motor vehicle. To provide an improved underprotection device, the impact plate is fitted to the underside in a manner such that it is movable between retracted and extended positions.

In a drive unit in an electric-motor-assisted bicycle, as viewed in an axial direction of the crank axle, a substrate housed in a housing does not overlap a reduction gear but overlaps a driven gear. The substrate is disposed around the crank axle and includes a component side extending in a direction crossing the central axis of the crank axle. The substrate extends in directions crossing radial directions of the crank axle. One end of the substrate in the direction in which the substrate extends is located on the side of the straight line connecting the shaft center of the crank axle and the shaft center of the motor output shaft as viewed in the axial direction, that is opposite to the side having the other end of the substrate in the direction in which the substrate extends.

The invention relates to an electric drive for a vehicle. A housing (1) that is stationary in relation to the vehicle frame is provided. A motor housing (5) having a stator (4) and a rotor (7) being provided in said motor housing (5) are rotationally mounted in said housing. The motor housing and the rotor perform opposite rotational movements. A drive train (2) is connected to the motor housing and the rotational movement of the motor housing is carried out by means of a transmission device with the same drive and output direction of rotation. The remaining drive train is connected to the rotor and the rotational movement of the rotor is carried out by means of a transmission device with opposite drive and output direction of rotation. The transmission devices are planetary gears. The rotor engages with the planet wheels (13 or 16) of the allocated planetary gear by means of a spur pinion (10) that is arranged on the shaft or the motor housing engages with the planet wheels of the allocated planetary gear by means of a spur pinion that is connected to the motor housing and is arranged on the axis of the motor housing. A web (14 or 17) is provided. Said web is connected to the axles of the planet wheels of each planetary gear and drives the wheel shaft assigned thereto.

A small size, low cost drive device for a hybrid vehicle. The drive device is constructed such that a motor generator (MG1), a differential gear device (20), and an oil pump (30) are arranged in thatorder from the engine side so as to be coaxial with an input shaft (11), that a motor generator (MG2) is placed on the opposite side of a gear mechanism (29) from the motor generator (MG1) so as to belocated on a shaft different from and parallel to the input shaft (11), and that motor bearings (64, 65) supporting a rotor shaft (14) of the motor generator (MG2) are arranged outside the motor generator (MG2). The oil pump (30), one of the components forming a fist shaft, is radially overlapped on the motor generator (MG2) and axially overlapped on the bearing (64) of the motor generator (MG2).

Improvements in a universal spare tire and accessory mount that includes a tire jack that is secured to an enlarged foot base to provide a larger lifting area to distribute the load from a jack onto the ground to prevent the jack from sinking into soft terrain, sand or mud. The mount secures to a vehicle or trailer to hold a spare tire and further includes tie down to secure the mount and the spare tire. The mount has storage or mounting features to provide additional storage of tools, accessories and or supplies. The mount can be secured to various parts of a vehicle or trailer including the bumper, hood, bed, floor or trunk of the vehicle.

The invention provides a triangular crawler-type walking device with adjustable ground clearance. The triangular crawler-type walking device comprises a crawler, a driving wheel, a support, a guide wheel, a tensioning wheel, thrust wheel sets, a central thrust wheel, swing arms, lifting hydraulic oil cylinders and a tension device, wherein the central thrust wheel is arranged at the bottom of thesupport, and the thrust wheel sets are arranged at the two sides of the central thrust wheel; one end of each swing arm is hinged to a trolley shaft of the corresponding thrust wheel set, the other end of each swing arm is connected with a piston rod of the corresponding lifting hydraulic oil cylinder, the lifting hydraulic oil cylinders are fixed to the support, and springs are installed betweenthe swing arms and the support to support the swing arms; the rubber crawler sleeves the driving wheel, the tensioning wheel, the guide wheel and the thrust wheel to form the triangular crawler-type walking device. The ground clearance is changed by contracting and extending the piston rods of the lifting hydraulic oil cylinders, and crawler tensioning is adjusted by synchronously contracting andextending a piston rod of a tensioning hydraulic oil cylinder.

A loading and transporting system for a motorcycle the includes a carrier mounted in a transporting vehicle and a ramp removably attached to the carrier, the ramp having an arched shape to prevent motorcycles having a low ground clearance from “bottoming out.” The carrier includes guide rails attached to the vehicle to allow the motorcycle to sit relatively low in the vehicle. Struts made of strong tubing are also provided to stabilize the motorcycle during transportation.

The invention relates to an anti-collision beam, more specifically to a truck energy absorbing anti-collision beam. The truck energy absorbing anti-collision beam comprises a fixing connecting frame,an anti-collision seat, an anti-collision beam, side anti-collision pieces and a linkage device. According to the truck energy absorbing anti-collision beam, the width of the anti-collision beam in anormal state is adaptive to that of a truck; when a low vehicle collides with the anti-collision beam, the anti-collision beam can absorb energy; and moreover, when the anti-collision beam suffers collision, the two side anti-collision pieces can stretch to widen the anti-collision beam so as to improve the protecting effect of the anti-collision beam. According to the truck energy absorbing anti-collision beam, the anti-collision beam can be lifted to avoid a situation that an excavator is not prone to approaching during loading goods due to too small ground clearance of the anti-collision beam. The anti-collision seat can vertically slide on the fixing connecting frame; the anti-collision beam can slide on the anti-collision seat from front to back; and the two side anti-collision piecesare slidingly connected to the left and right ends of the anti-collision seat.

An internal combustion engine for reducing the amount of bubbles contained in the circulated oil without reducing the ground clearance of the engine. A crankcase is provided therein with an oil suction passage makes an oil pump and an end part of a bottom wall of an oil sump chamber communicate with each other, passes between the oil sump chamber and a hanger boss, and has a lowest part located below the bottom wall of the oil sump chamber.

The invention discloses an electric lifting medical bed. The electric lifting medical bed comprises a bed frame, wherein two groups of lifting devices are symmetrically arranged on the lower side of the bed frame; the lifting devices comprise wheel carriers, lifting tilting racks, supporting pull rods and lifting electric push rods; the wheel carriers are positioned on the lower side of an end part of the bed frame, and a wheel carrier plate is arranged on the two sides of the wheel carriers respectively; certain ends of the wheel carrier plates are provided with caster mounting pipes and are provided with casters, and the other ends of the wheel carrier plates are hinged with the lower ends of the lifting tilting racks; the upper ends of the lifting tilting racks are hinged with the middle part of the bed frame; the supporting pull rods are parallel to the lifting tilting racks; the lower ends of the supporting pull rods are hinged with the middle parts of the wheel carrier plates, and the upper ends of the supporting pull rods are hinged with the bed frame; the lower ends of the lifting electric push rods are hinged with the middle parts of the lifting tilting racks, and the upper ends of the lifting electric push rods are hinged with the end part of the bed frame. The height can be conveniently adjusted, the ground clearance when the bed is adjusted to the lowest position is reduced, the adjustment of the sitting and lying posture of a patient is realized by using turnover of a back supporting plate and a lower limb supporting plate, and the medical bed has the advantages of simple structure, easiness in mounting, convenience in adjustment and the like.

This structure for a lower portion of a vehicle body is provided with a right side sill (14), a right floor frame (17), a right cross member (68), and a muffler. A fuel tank is provided to the lateral-direction inner side of the right floor frame (17). The right cross member (68) extends in the lateral direction, spanning between the right floor frame (17) and the right side sill (14). The muffleris provided in an area enclosed by the right side sill (14), the right floor frame (17), and the right cross member (68). The right cross member (68) has an upward deformation guiding part (77). Theupward deformation guiding part (77) is formed so as to be capable of deforming upward due to an impact load (F2) inputted to the right side sill (14).

A transport trailer having a chassis and at least one floor platform mounting to the chassis and configured to transport a load. The at least one floor platform comprises at least one main plate and a metal sheet mounting to the main plate. The at least one main plate is fabricated from a porous metal material.

The invention provides an energy absorbing type rear protection device capable of automatically adjusting height. The energy absorbing type rear protection device capable of automatically adjusting the height comprises two ground clearance detection mechanisms, two 4-shaped brackets, a transmission mechanism, B-shaped cross beams and energy absorbing units; the two 4-shaped brackets are symmetrically mounted on the external side surfaces of two longitudinal beams at the tail part of a commercial vehicle; the two 4-shaped brackets are connected with each other through the transmission mechanism; the B-shaped cross beams are connected to the end surfaces, facing the vehicle tail, of the 4-shaped brackets through the energy absorbing units; the two ground clearance detection mechanisms are correspondingly connected to the internal sides of the two longitudinal beams at the tail part of the commercial vehicle through connecting pins; each ground clearance detection mechanism comprises a connecting head, a connecting rod and a plate with a universal wheel; the connecting heads are mounted on the internal sides of the longitudinal beams at the tail part of the commercial vehicle throughconnecting pins; and the connecting heads can rotate around the connecting pins. According to the energy absorbing type rear protection device capable of automatically adjusting the height, the obstacle crossing ability is realized, collision energy can be stably absorbed stage by stage, the rigidity in the height direction is distributed in a graded manner, and an automobile suffering rear-end collision can be effectively prevented from getting to the bottom of a truck.

The invention discloses a vehicle rear protector which is installed at the tail portions of longitudinal beams. The vehicle rear protector comprises a rear bumper, wherein a group of installing plates horizontally extends out of the back portion of the vehicle rear protector, guiding holes are formed in the installing plates, a torsion bar base is transversely arranged between the two longitudinal beams, torsional spring fixing portions are arranged on the side, deviating from the rear bump, of the torsion bar base at intervals, the bottom of the torsion bar base faces the guiding holes and is provided with a group of guiding rods capable of vertically telescoping, the ends of the guiding rods are extending-out ends extending out of the guiding holes, and the extending-out ends are connected with the rear bump. A torsional spring is transversely arranged between the two longitudinal beams, the middle of the torsional spring is fixedly installed at a torsional spring fixing portion, and two ends of the torsional spring are respectively and fixedly connected with the longitudinal beams. Springs are installed on the torsion bar base and the guiding rods among the installing plates in a pre-tightened and sleeved mode. According to the scheme, by utilizing matching between the guiding rods and the guiding holes, it is ensured that the rear bump upwards slides along the guiding rods to ensure the trafficability when a ground clearance of the rear bump of a vehicle is small. In addition, an elastic force is provided by utilizing torsion of the torsional spring, and it is ensured that a rear-end vehicle utilizes a self structure to buffer energy.

An active front splitter for automobile is movably connected to a splitter support by a spindle support at each of its two ends. A driving mechanism being mounted to the splitter support at each of its two ends, an electric motor being mounted in the middle of the splitter support. The driving mechanism is driven by the electric motor and fixedly connected with the active front splitter so that the active front splitter is driven by the driving mechanism to rotate around a spindle fixed to the splitter support between a forwardly extended position and a retreated position. Thus, while ensuring the trafficability of the assembled automobile, it is possible to reduce wind drag so that the expected aerodynamic performance can be achieved.

The invention discloses a vehicle multi-power-source drive system with a reuse alternating and direct current power generation system. The system comprises a first axle and a first internal combustion machine and further comprises a second internal combustion machine; the power output of the first internal combustion machine is connected with a first transmission device, the power output of the first transmission device is connected to the first axle, the power output of the second internal combustion machine is connected to an alternating current electric generator and a direct current electric generator, the output of the alternating current electric generator is connected with an electric load for uploading of a vehicle through a cable, and the output of the direct current electric generator is connected with a drive motor through a cable; the power output of the drive motor is connected to a second axle or connected to a wheel; the drive motor is electrically connected with a motor controller; the system can particularly meet the requirement that when the vehicle runs in outdoor areas such as the grassland, the desert and the mountain area, the sufficient power is provided for the vehicle, and rapid maneuverability and long-distance running can be achieved; the alternating and direct current double electric generators are adopted to generate electricity, the direct-current vehicle drive electricity supply and vehicle-mounted alternating-current electricity are not disturbed by each other, independent work can be achieved, joint work can be also achieved, the control method is simple, the ground clearance of the vehicle is reduced, the vehicle height is reduced, and the vehicle can conveniently carry other transportation tools or devices.

An active front splitter for automobile is movably connected to a splitter support by a spindle support at each of its two ends. A driving mechanism being mounted to the splitter support at each of its two ends, an electric motor being mounted in the middle of the splitter support. The driving mechanism is driven by the electric motor and fixedly connected with the active front splitter so that the active front splitter is driven by the driving mechanism to rotate around a spindle fixed to the splitter support between a forwardly extended position and a retreated position. Thus, while ensuring the trafficability of the assembled automobile, it is possible to reduce wind drag so that the expected aerodynamic performance can be achieved.

An individual air suspension system is composed of transverse beam of bridge, longitudinal swing arm, vibration damper, air spring, car height controlling system and position limiting block. The both ends of tansverse beam are linked with longitudinal swing arm via bearings. The wheel assemblage is installed to the flange and finger axle of said longitudinal swing arm whose top end pressure on air spring. The longitudinal swing arm can be swung around a bearing at end of transverse beam. The valve of car height controlling system is communicated with the pneumatic channel of air spring for regulating the height of car. Its application in ultra-low-floor semi-trailer is also disclosed.

The chassis system comprises a vehicle frame, the vehicle frame comprises a front frame and two columns of rear longitudinal beams arranged in parallel, the front ends of the rear longitudinal beams are fixedly connected with the front frame, a container arrangement area is formed between the two columns of rear longitudinal beams, mounting seats and vibration reduction seats are arranged at the rear ends of the rear longitudinal beams, and longitudinal arms are hinged to the mounting seats. The rear wheel is arranged on the longitudinal arm, and a vibration reduction component is arranged between the vibration reduction base and the longitudinal arm. The invention further discloses a logistics vehicle which comprises the chassis system. The device has the advantages of being simple and reliable in structure, capable of remarkably reducing the ground clearance and the like.